How QR Code Security Works
It is nearly impossible to alter an already generated QR Code. Most bad QR Codes are created that way so it is good to use a secure scanner that shows the destination before you go there. The old saying applies oif it sounds to good to be true it probably is.
In this post training I want to show you the various security techniques for QR Code Security.
QR Codes are essentially patterns of data encoded into a scannable square matrix. Each code contains information such as a URL, text, or other data that can be read by a QR Code scanner or smartphone camera.
The integrity of a QR Code depends on its design and generation process. Once created, the pattern is fixed and cannot be changed unless it is a Dynamic QR Code—and even then, modifications require authenticated access to the management platform used to create it.
This immutability ensures that users scanning a genuine QR Code are directed to its intended destination every time.
Why People Can’t Change QR Codes
- Static QR Codes are Unalterable:[
A Static QR Code is essentially a “snapshot” of information encoded during its creation. The data within the code is locked and embedded directly into the matrix. Once printed or displayed, it cannot be changed without creating an entirely new QR Code. - Dynamic QR Code Security Features:
Dynamic QR Codes allow for the redirection of links or information after creation, but this flexibility comes with robust security measures. The platforms managing these QR Codes typically use password protection, two-factor authentication, and encrypted systems to ensure only authorized users can make changes. - Tampering is Detectable:
If someone attempts to alter the printed design of a QR Code (for example, by adding elements or manipulating the pixels), the code often becomes unreadable to scanners. This makes tampering difficult and easily noticeable.
Malicious QR Codes vs. Genuine QR Codes
One of the most significant misconceptions about QR Code security is the idea that malicious actors can “hijack” an existing QR Code. Here’s why that’s not the case:
- Malicious QR Codes are Separate:
A malicious QR Code must be created and distributed by the attacker. They cannot access or modify a genuine QR Code generated by someone else.For example, if you print a QR Code directing customers to your website, no one can change that destination. If a dynamic QR Code they have to accress a secure QR Code management system. - Physical Interference is a Key Risk:
In rare cases, attackers might cover an existing QR Code with a sticker bearing a malicious code. However, this isn’t a problem of altering the original code—it’s a matter of physical tampering. To mitigate this, businesses should regularly inspect and secure areas where QR Codes are displayed. - Scam Awareness is Crucial:
Educating users about QR Code safety is essential. Encourage customers and employees to verify the source of QR Codes before scanning, especially in public places or unverified settings. Using trusted QR Code solutions like those from QR Code Australia ensures peace of mind.
How QR Codes Australia Prioritizes QR Code Securityy
At QR Codes Australia, we provide both Static and Dynamic QR Codes with built-in security measures to protect your business and customers:
- Secure Platforms: Our Dynamic QR Code management system is designed with advanced encryption and user authentication to prevent unauthorized changes.
- Best Practices: We guide users on securing physical QR Code placements to minimize tampering risks.
- Custom Branding: Branded QR Codes from QR Code Australia are harder to replicate and reassure users of their authenticity.
Summary QR Code Security
QR Codes are a secure, reliable tool when generated and managed correctly. Static QR Codes cannot be changed once created, and Dynamic QR Codes are safeguarded through robust management platforms.
Malicious QR Codes are entirely separate from genuine ones and rely on distribution rather than tampering with existing codes.
By choosing trusted providers like QR Code Australia, you can confidently use QR Codes to enhance your business while prioritizing QR Code Security for yourself and your customers.
Saftey Tip: Always good to use a camera or Google lens to scan a QR Code to the the final destination. Most short urls are dynamic so generated through a paid system so rarley scams.
- Open the Google Lens app
- Click the lens icon
- Point the camera at the QR code
- A pop-up will appear with the QR code’s content
Ready to start with QR Code Security?
Visit QR Codes Australia to learn more about our Static and Dynamic QR Code solutions and ensure your business stays ahead with the latest in secure QR Code Security technology.